[Issue 9044] New: Random "Previous Definition Different" optlink failure (looks like a buffer overflow bug somewhere)

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=9044

           Summary: Random "Previous Definition Different" optlink failure
                    (looks like a buffer overflow bug somewhere)
           Product: D
           Version: D2
          Platform: All
        OS/Version: Windows
            Status: NEW
          Keywords: link-failure
          Severity: regression
          Priority: P1
         Component: DMD
        AssignedTo: nobody at puremagic.com
        ReportedBy: verylonglogin.reg at gmail.com


--- Comment #0 from Denis Shelomovskij <verylonglogin.reg at gmail.com> 2012-11-18 13:57:15 MSK ---
Created an attachment (id=1162)
Testcase

Not sure if it is a dmd regression or dmd changes discovered new optlink bug.

Looks like a buffer overflow bug somewhere as removing almost any definition of
any file makes testcase linkable.

Testcase building output (launching "build.bat"):
---
OPTLINK (R) for Win32  Release 8.00.12
Copyright (C) Digital Mars 1989-2010  All rights reserved.
http://www.digitalmars.com/ctg/optlink.html
xlib.lib(object)  Offset FFD10H Record Type 0091
 Error 1: Previous Definition Different :
_D64D:\D\dmd2head\windows\bin\..\..\src\druntime\import\object.di.5412__ModuleInfoZ
xlib.lib(object)  Offset FFDECH Record Type 00C3
 Error 1: Previous Definition Different :
_D64D:\D\dmd2head\windows\bin\..\..\src\druntime\import\object.di.547__arrayZ
xlib.lib(object)  Offset FFE1EH Record Type 00C3
 Error 1: Previous Definition Different :
_D64D:\D\dmd2head\windows\bin\..\..\src\druntime\import\object.di.548__assertFiZv
xlib.lib(object)  Offset FFE50H Record Type 00C3
 Error 1: Previous Definition Different :
_D64D:\D\dmd2head\windows\bin\..\..\src\druntime\import\object.di.5415__unittest_failFiZv
---

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